-$string['blockprotect_help'] ='The blocks instances will be protected from deletion from the site-wide context, and this is primarily used to protect the navigation and settings blocks which can be very hard to get back if accidentally delete.';

+$string['blockprotect_help'] ='Selected block instances will be protected from deletion from the site-wide context. This is primarily used to protect the navigation and settings blocks which can be very hard to get back if accidentally deleted.';